Lost hooves, dead cattle before Merck halted Zilmax sales

The U.S. beef industry’s dependence on the muscle-building drug Zilmax began unraveling on a sweltering summer day, in the dusty cattle pens outside a Tyson Foods Inc. slaughterhouse in southeast Washington state.

By:
P.J. Huffstutter and Tom Polansek, Reuters

E-mail To (required):The complete e-mail address or addresses to send the article to